<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>云备份文件下载</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
            box-sizing: border-box;
            font-family: "PingFang SC";
            background-color: white;
        }

        nav {
            background-color: #f9f9f9;
            padding: 20px 0;
            text-align: center;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
        }

        nav a {
            text-decoration: none;
            color: #333;
            margin: 0 15px;
            font-weight: bold;
            transition: color 0.3s ease-in-out;
        }

        nav a:hover {
            color: #555;
        }


        header h1 {
            margin: 20px 0;
            text-align: center;
            color: #333;

            font-size: 2em;
            margin-bottom: 40px;
        }

        footer {
            color: #333;
            background-color: #f9f9f9;
            text-align: center;
            padding: 20px;
            margin-top: 100px;
        }
    </style>
</head>

<body>
    <nav>
        <a href="/">首页</a>
        <a href="/upload.html">上传</a>
        <a href="#" id="search_link">搜索</a>
        <a href="#">登录</a>
        <a href="#">竞赛</a>
        <a href="#">讨论</a>
        <a href="#">求职</a>
    </nav>

    <header>
        <h1>您要找的资源不存在</h1>
    </header>

    <footer>
        <p>@yourfriendyo</p>
    </footer>
</body>

</html>
